Lifting-jack



J. FLANAGAN. LIFTING JACK. APPLICATION FILED JUNE 9,1919.

Patented Jan. 27, 1920.

Q awwntoz tTohn Flanagan I I I I27 f/W' al'iozmu invirnn STATES PATENTorrion.

Jonn rnnnneniv, or DAVENPORT, IGWA.

LIIETING-JACK.

Application filed June 9, 1919.

ful Improvements in Lifting-Jacks, of

which the following is a specification.

This invention relates to lilting ]acks. One of the ob ects of this1nvent1on resides in the provision of a lifting jack which is manuallymanipulated.

Another object of this invention resides in the provision of a liftingjack consisting of an embodiment of coacting elements whereby theleverage of the lifting lever can be varied according to the weight tobe lifted.

A still further object of this invention resides in the provision of alifting jack having means whereby the lifting lever can be locked tosupport the weight in elevated position.

With these and other objects in view, this invention resides in certainnovel features of construction and arrangement of elements to be moreparticularly set forth in the specification herewith and pointed out inthe appended claim, it being understood that the right is reserved toresort to such changes in construction as come within the scope of theclaim.

In the accompanying drawing Figure 1 is aside view of a lifting jack asconstructed in accordance with this invention showing the lifting leverin elevated position by dotted lines;

Fig. 2 is a view thereof taken at right angles thereto with the liftinglever removed.

In the present embodiment of this invention, the numeral 5 designates aU-shaped hanger having the terminals 6 of its arms 7 secured together bya rivet 8 and held in spaced relation by a sleeve 9.

Loosely secured to the medial portion 10 Specification of LettersPatent.

Patented Jan. 27, 1920.

Serial No. 302,814.

of the hanger 5 is a hook 11 by which the hanger is suspended inoperative position from a stationary object, not shown.

Pivotally supported by a bolt 12 which is passed through sets of aliningapertures l3 in the arms 7 ot' the hanger is a lifting lever 14.

The aforesaid lifting lever let is of any suitable length and isprovided with a multiplicity of apertures 15 whereby the same can beshifted in various positions so that the leverage on opposite sides ofthe bolt 2 can be altered. to suit the weightto be lifted.

'l he forward end or the lever is pro vided with a flexible element 16herein shown in the .torm of a chain. In order to adj astably supportthe chain at the forward end of the lever, a U-shaped bolt 17 isfastened to the lever so that any particular link of the chain can beretained in locked position thereto.

Carried by the rivet 8 on the sleeve 9 is a flexible element 18 in theform of a hook 19 and ring 20. This flexible element is adapted to holdthe handle in depressed position after the weight of the object to belifted has been elevated.

With this invention fully set forth, it is manifest that a lifting jackis provided which is cheap to manufacture, readily op erable, andconvenient to transport.

Having thus described this invention, what I claim is An article of thecharacter described, the combination of a U-shaped hanger, a leverpivotally secured thereto, a hook loosely supporting said hanger, aflexible element carried by said lever, a rivet securing the free endsof the hanger together, a sleeve on said rivet, a ring on the sleeve,and a hook on said ring.

In testimony whereof I afiix my signature.

' JOHN FLANAGAN.

